4″Octagonal drawn box 1-1/2″deep, 1/2″& 3/4″ KOs with the ear screws (50Pcs) – QB Electrical Supplies Inc.
Raco Part # 695 - Raco 1-Gang Masonry Box Nongangable 3-1/2 In. Deep With Ten Concentric Kos - Electrical Boxes - Home Depot Pro
Steel City GW-135-G :: Masonry Box, 1-Gang, 3-1/2" Deep, 1/2" & 3/4" KOs, Steel :: Rexel USA
XenoBits: XC3 GOTY on Twitter: "Most people are familiar with KOS-MOS Re: and KOS-MOS Version 4. There are versions you may not know about like Version 1.1 which only appears in the "
4″Octagonal drawn box 2-1/8″deep with raised earth grounding, 1/2″& 3/4″ KOs with the ear screws and without the earth screws (50Pcs) – QB Electrical Supplies Inc.
Welded 4" Steel Box | 2-1/8" Deep with 13 KOs | Topaz
4 in. Octagon Plenum Box 2-1/8 in. Deep, Five 1/2 in. and Four 3/4 in. Knockouts | 165PL | Raco
Cooper Crouse-Hinds TP412 4 Inch Square Drawn Outlet Box 1-1/2 Inch Deep With (2) 1/2 & (2) 3/4 KOs on bottom & 3/4 Inch KOs on Si
4″Octagonal drawn box 2-1/8″deep with raised earth grounding, 1/2″& 3/4″ KOs with the ear screws and without the earth screws (50Pcs) – QB Electrical Supplies Inc.
Solved k-1 2. dt : 1) S., (1+0)* 0 < k < 2 A) 3(1-kos cos km | Chegg.com
GARVIN KOS-250 2-1/2 KO SEAL | Gordon Electric Supply, Inc.
APPLETON 4SJD-3/4-1 BX 4-11/16 SQ 2-1/8 DP 3/4 IN KOS | Gordon Electric Supply, Inc.
4" Square Concrete Slab Box, 3-1/2" Deep - Welded, No Knockouts | Southwire
Steel City 2G 1/2 3/4, Conduit Gang Box, Gang Steel Box, 1/2In & 3/4In Kos, 1 PC | eBay